Question

find the third proportion of 2.5 , 1.5​

Answer 1

Answer:

0.9

Step-by-step explanation:

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Answer 2

$\sf \: Let \: the \: third \: proportion \: be \: x \\ \\ \sf \: 2.5 : 1.5::1.5:x \\ \\ \sf \: 2.5 \: \times \: x \: = \: 1.5 \: \times \: 1.5 \\ \\ \sf \: 2.5x \: = \: 2.25 \\ \\ \sf \: x \: = \: \frac{2.25}{2.5} \\ \\ \sf \: x \: = \: 0.9 \: \\ \\ \sf \: \color{red} \therefore \: The \: third \: proportion \: is \: 0.9.$